#include<stdio.h>
int main()
{
	char arr1[] = "welcome to bit";
	char arr2[] = "**************";
	int left = 0;
	int right = strlen(arr1) - 1;
	while (left <= right)
	{
		arr2[left] = arr1[left];
			arr2[right] = arr1[right];
		//	printf("%s\n", arr2);
			right--;
			left++;
			 printf("%s\n", arr2);
	}
	return 0;
}